<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
</head>
<body>
    <div id="app">
        <input type="text" v-modle="msg" @input="handleChange">
        <p>{{msg}}</p>
    </div>
    <script>
        new Vue({
            el:"#app",
            data:{
                msg:"hello world"
            },
            methods:{
                handleChange(){
                    console.log(this.msg)
                }
            }
        })
    </script>
</body>
</html>